1638476768

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{23563}}^1$

素因数の和:23667

約数の個数: 48

約数和(自身を含む): 3366918576

約数和(自身を除く): 1728441808

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 82, 106, 164, 212, 328, 424, 656, 848, 1312, 1696, 2173, 4346, 8692, 17384, 23563, 34768, 47126, 69536, 94252, 188504, 377008, 754016, 966083, 1248839, 1932166, 2497678, 3864332, 4995356, 7728664, 9990712, 15457328, 19981424, 30914656, 39962848, 51202399, 102404798, 204809596, 409619192, 819238384, 1638476768]

約数ペア:

[(1, 1638476768), (2, 819238384), (4, 409619192), (8, 204809596), (16, 102404798), (32, 51202399), (41, 39962848), (53, 30914656), (82, 19981424), (106, 15457328), (164, 9990712), (212, 7728664), (328, 4995356), (424, 3864332), (656, 2497678), (848, 1932166), (1312, 1248839), (1696, 966083), (2173, 754016), (4346, 377008), (8692, 188504), (17384, 94252), (23563, 69536), (34768, 47126)]